22 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease ... Cardiac, Vascular, Alveolar ... #Hypoxia #Differential ... #pulmonary #Aa
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Hemorrhage • Impaired Diffusion ... Shock • Airway Disease ... #hypoxia #Differential ... #Diagnosis #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... diseasePulmonary ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... diseases, pulmonary ... #Differential # ... Diagnosis #pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... , Flash Pulmonary ... Pneumothorax, Alveolar ... Exam, POCUS (B-lines ... Troponin), ABG, STAT CXR
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Diffusion Defect ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Pneumothorax - Effusion ... #Patterns #Lung ... #CXR #XRay #ChestCT ... #Differential # ... Diagnosis
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Blood: diffuse alveolar ... asthma • Pleural disease ... atelectasis • Lung ... #Hypoxia #differential ... #Diagnosis #Management
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
diagnosis. ... In chronic disease ... - Lung neoplasms ... #Diagnosis #Radiology ... #Pulmonary #CXR
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
, Pulmonary alveolar ... Actinomyces spp., NHL; Lung ... • Pleural effusion ... #diseases #differential ... #diagnosis #chestCT